Table 6.

Association between serious fall injuries and kidney transplantation among United States patients ages 18–80 years old initially placed on the waitlist in 2010–2013

Measure/ModelaOverallSerious Fall Injurya
NoYes
No. of patients37,75235,8081944
No. of patients transplanted89248638286
Total patient-yr67,978.963,020.64958.3
Transplant rate per 100 patient-yr13.113.75.8
Hazard ratios for waitlisting by serious fall injury (95% CI)
 Primary analyses
  Crude1.00 (Reference)0.77 (0.68 to 0.87)
  Adjusted, demographicsb1.00 (Reference)0.73 (0.65 to 0.82)
  Adjusted, demographics + clinicalb1.00 (Reference)0.71 (0.63 to 0.80)
 Sensitivity analysesc
  Additional adjustment for
   Dialysis modality1.00 (Reference)0.71 (0.63 to 0.80)
   Peripheral vascular disease1.00 (Reference)0.71 (0.63 to 0.80)
   Amputation1.00 (Reference)0.71 (0.63 to 0.80)
   Inability to walk1.00 (Reference)0.71 (0.63 to 0.80)
   Inability to transfer1.00 (Reference)0.71 (0.63 to 0.80)
   Institutionalization1.00 (Reference)0.71 (0.63 to 0.80)
  Fall injuries with E codes only1.00 (Reference)0.68 (0.54 to 0.87)
  Among those with no fall injuries before waitlisting1.00 (Reference)0.70 (0.62 to 0.79)
 Subgroup analysesc
  Age, yr
   18–391.00 (Reference)0.62 (0.47 to 0.81)
   40–64 (P40–64×18–39=0.47)1.00 (Reference)0.74 (0.64 to 0.86)
   ≥65 (P65×18–39=0.85)1.00 (Reference)0.68 (0.52 to 0.90)
  Sex
   Men1.00 (Reference)0.68 (0.58 to 0.81)
   Women (Pwomen×men=0.61)1.00 (Reference)0.74 (0.62 to 0.87)
  Race/ethnicity
   Non-Hispanic white1.00 (Reference)0.65 (0.56 to 0.77)
   Black (Pblack×white=0.11)1.00 (Reference)0.80 (0.63 to 1.02)
   Hispanic white (PHispanic×white=0.56)1.00 (Reference)0.78 (0.58 to 1.05)
   Other (Pother×white=0.35)1.00 (Reference)0.83 (0.49 to 1.38)
  • n=37,164 for models. 95% CI, 95% confidence interval.

  • a From cohort entry to outcome or censoring.

  • b Demographics: age, sex, and race/ethnicity. Clinical: body mass index, dialysis vintage, comorbid diabetes, ischemic heart disease, and hypertension.

  • c Using the fully adjusted (demographics + clinical) model.